Resultados de búsqueda - (((((usumay OR uusumay) OR usury) OR some) OR sum) OR (sumao OR ((usumao OR sumo) OR usum)))

  1. 961

    Estudio del comportamiento del cuerpo y aletas plegables de un cohete, para un sistema de lanza cohetes múltiple por Pimentel Villasmil, Pablo Emilio

    Publicado 2014
    “…ABSTRACT Purpose and Method of Study Mexico has a very interesting and some aerospace unknown past. There are national studies where attempts have been made in the field of rocketry and rocket engines and manufacture thereof. …”
    Enlace del recurso
    Tesis
  2. 962

    Study on the properties of CuSbS₂ and CuSbSeₓS₂₋ₓ thin films for photovoltaic and photodetector applications por Vinayakumar, Vineetha

    Publicado 2019
    “…Additionally, CuSbS2 exhibits an optical band gap of 1.5 eV for direct transition, a high absorption coefficient of 104 cm−1 and Spectroscopic Limited Maximum Efficiency (SLME) of 22.9% which are some characteristic features required for an ideal photovoltaic absorber layer. …”
    Enlace del recurso
    Tesis
  3. 963

    Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México por Contreras Perera, Yamili Jazmin

    Publicado 2020
    “…However, only α and β esterases remained altered in some of the populations and only two populations showed an increase in the average levels of GST activity after selection with deltamethrin. …”
    Enlace del recurso
    Tesis
  4. 964

    Estudio de los principales mecanismos de fosilización en rocas de la formación cupido, barremiano-aptiano del noreste de México. por Gómez Mancha, Yesica Edith

    Publicado 2015
    “…In certain cases and as a highly-localized process, permineralized silicification also was observed only in some fossil exemplars. Sixteen microfacial associations were identified, most of them within the FZ7, FZ8 y FZ6 from Wilson standard model. …”
    Enlace del recurso
    Tesis
  5. 965

    Caracterización de señales de diferente mecanismo sísmico en el noreste del altiplano mexicano. por Moreno Torres, Christian

    Publicado 2017
    “…Most of which focuses their P axis with orientation NW-SE, representing events of extensive type. Some depths greater than the sedimentary thickness were presented, which could be linked to basement complex structures such as the Late Triassic-Middle Jurassic volcanic arc blocks and the Permian-Triassic volcanic arc in front of the Sierra Madre Oriental.…”
    Enlace del recurso
    Tesis
  6. 966

    Estudio del comportamiento del cuerpo y aletas plegables de un cohete, para un sistema de lanza cohetes múltiple por Pimentel Villasmil, Pablo Emilio

    Publicado 2014
    “…ABSTRACT Purpose and Method of Study Mexico has a very interesting and some aerospace unknown past. There are national studies where attempts have been made in the field of rocketry and rocket engines and manufacture thereof. …”
    Enlace del recurso
    Tesis
  7. 967

    Study on the properties of CuSbS₂ and CuSbSeₓS₂₋ₓ thin films for photovoltaic and photodetector applications por Vinayakumar, Vineetha

    Publicado 2019
    “…Additionally, CuSbS2 exhibits an optical band gap of 1.5 eV for direct transition, a high absorption coefficient of 104 cm−1 and Spectroscopic Limited Maximum Efficiency (SLME) of 22.9% which are some characteristic features required for an ideal photovoltaic absorber layer. …”
    Enlace del recurso
    Tesis
  8. 968

    Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México por Contreras Perera, Yamili Jazmin

    Publicado 2020
    “…However, only α and β esterases remained altered in some of the populations and only two populations showed an increase in the average levels of GST activity after selection with deltamethrin. …”
    Enlace del recurso
    Tesis
  9. 969
  10. 970

    Perfil resistómico en microbioma de lechuga (Lactuca sativa) y perejil (Petroselinum crispum) en punto de venta en mercados de Monterrey, N.L. y su área metropolitana. por Betancourt Mejorado, Dante Aldhair

    Publicado 2018
    “…Given the distribution of these strains, it has become necessary to know the profile of resistance to antibiotics or resistome of the strains found in some of the plant products that our population consumes, so in this work it was proposed to identify the antibiotic resistance genes (ARG) present in the microbiome of samples of lettuce (Lactuca sativa) and parsley (Petroselinum crispum) sold in Monterrey Nuevo León and its Metropolitan area. …”
    Enlace del recurso
    Tesis
  11. 971

    Contradicciones éticas de las responsabilidades sociales en la bibliotecología por Muela Meza, Zapopan Martín

    Publicado 2007
    “…[English abstract, resumen en español arriba] This study (Ethical contradictions in the social responsibilities in librarianship/library science) intends to be a critical analysis of some ethical contradictions even in the same ethics and in the social responsabilities in the field of librarianship/library science. …”
    Enlace del recurso
    Sección de libro.
  12. 972

    Aspectos biológicos de la lobina negra (Micropterus salmoides) en la presa El Cuchillo Solidaridad, China, N.L. por Alvarez Mendoza, Francisco Javier

    Publicado 2005
    “…The objective of the present work is to analyze some aspects of the biology of this species and their interaction with the quality of the water and parasitic diseases. …”
    Enlace del recurso
    Tesis
  13. 973

    Regulación de la expresión de genes involucrados en la producción de compuestos de azufre en Saccharomyces cerevisiae por Leal Guerra, Clara Susana

    Publicado 2011
    “…Even though there has been some advances in the knowledge of the interaction of certain genes to produce sulfur compounds, it is still unknown the expression levels and gene interactions under the different conditions of industrial fermentation. …”
    Enlace del recurso
    Tesis
  14. 974

    Spatio-temporal variations of macro and trace mineral contents in six native plants consumed by ruminants at northeastern Mexico = Variación en espacio y tiempo del contenido de m... por Ramírez Lozano, Roque Gonzalo, González Rodríguez, Humberto, Gómez Meza, Marco Vinicio, Cantú Silva, Israel, Uvalle Sauceda, José Isidro

    Publicado 2010
    “…All minerals in all plants were significantly different among years, sites and seasons; however, some interactions were not significant. In general, plants in Linares site had higher mineral content followed by Los Ramores and China; in addition, during the year two, all plants had higher mineral content; moreover, during summer all plants had higher mineral content followed by fall, spring and winter. …”
    Enlace del recurso
    Artículo
  15. 975

    Perfil resistómico en microbioma de lechuga (Lactuca sativa) y perejil (Petroselinum crispum) en punto de venta en mercados de Monterrey, N.L. y su área metropolitana. por Betancourt Mejorado, Dante Aldhair

    Publicado 2018
    “…Given the distribution of these strains, it has become necessary to know the profile of resistance to antibiotics or resistome of the strains found in some of the plant products that our population consumes, so in this work it was proposed to identify the antibiotic resistance genes (ARG) present in the microbiome of samples of lettuce (Lactuca sativa) and parsley (Petroselinum crispum) sold in Monterrey Nuevo León and its Metropolitan area. …”
    Enlace del recurso
    Tesis
  16. 976

    Aspectos biológicos de la lobina negra (Micropterus salmoides) en la presa El Cuchillo Solidaridad, China, N.L. por Alvarez Mendoza, Francisco Javier

    Publicado 2005
    “…The objective of the present work is to analyze some aspects of the biology of this species and their interaction with the quality of the water and parasitic diseases. …”
    Enlace del recurso
    Tesis
  17. 977

    Regulación de la expresión de genes involucrados en la producción de compuestos de azufre en Saccharomyces cerevisiae por Leal Guerra, Clara Susana

    Publicado 2011
    “…Even though there has been some advances in the knowledge of the interaction of certain genes to produce sulfur compounds, it is still unknown the expression levels and gene interactions under the different conditions of industrial fermentation. …”
    Enlace del recurso
    Tesis
  18. 978
  19. 979
  20. 980

    Caracterización electroquímica de la pasivación de acero inoxidable empleado en la fabricación de fuselajes de helicópteros. por Lara Banda, María del Refugio

    Publicado 2018
    “…These stainless steels PH, have the ability to form a surface oxide layer, usually chromium oxide that helps improve its resistance to corrosion, one way to generate the formation of this layer is through a passivation process. Some companies, such as Boeing, have carried out research involving different passivating agents, since nitric acid is currently used and is highly toxic to health. …”
    Enlace del recurso
    Tesis

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